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  1. #1

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    Default PSW12 subwoofer - No sound from Yamaha RX-V775

    Hi,

    I've just bought a new Yamaha RX-V775 to replace an amp that died a few months ago. I've attached the subwoofer pre-out on the receiver to the Line In (Unfiltered) on the sub woofer. I've set volume to half and low-pass to 100%. The subwoofer power switch is set to auto and it is switching off/on when the receiver is switched off/on so it is getting a signal. However - no sound from the sub woofer.

    I've set the speakers to small and manually configured the sub woofer. Still no sound. Please advise as to how I can troubleshoot this.

    Thanks,
    Jairaj Chetty

  2. #2
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    Hello,
    Welcome to Polk's forum. The first thing to do is check the sub's operation. To do this turn the sub's volume all the way down and remove the cub-cable from the receiver. Then connect the sub-cable to either the right or left audio output of your DVD player. Now start playing a CD, not a DVD, and slowly turn the volume up on the sub. There should be plenty of clear bass.
    Regards, Ken
    Recent bumpersticker: "Before you criticize someone walk a mile in his shoes. That way if he gets angry he'll be a mile behind you - and shoeless!"

  3. #3

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    Thanks Kenneth,

    That was very helpful advise. I needed some way to isolate the problem (sub, cable, receiver). My DVD player is a PS3 and doesn't have audio output posts (you need a special cable). I therefore had to use the audio output on my satellite TV box. I can hear some sound from the sub woofer, not a lot though. I assume "Dora the Explorer" isn't suitable test material. Will try a music channel as soon as my daughter lets me.

    For now am assuming that the subwoofer works and the problem is with the receiver.

    Thanks again,
    Jairaj Chetty

  4. #4
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    Hello Jairaj,
    Good, I'm glad the information was helpful. The problem might be caused by not having the receiver set to "sub-on" function. Sometimes a phone call to the receiver's customer support line can help.
    Cheers, Ken
    Recent bumpersticker: "Before you criticize someone walk a mile in his shoes. That way if he gets angry he'll be a mile behind you - and shoeless!"

  5. #5

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    Thanks again Ken,

    The problem turned out to be the cable, was using a cheap an nasty one. I got a decent cable and problem solved.

    Regards,
    Jairaj

  6. #6
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    Excellent, I'm glad you figured it out.
    Take care, Ken
    Recent bumpersticker: "Before you criticize someone walk a mile in his shoes. That way if he gets angry he'll be a mile behind you - and shoeless!"

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